---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3652 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 762 5113 4 2359 7179 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:84:30:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79306sec preferred_lft 79306sec inet6 fe80::f816:3eff:fe84:3097/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3652) 08/09/26 _x86_64_ (2 CPU) 00:41:15 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.46 0.01 1.43 0.02 0.05 17.92 215.87 01:10:00 1.13 0.00 1.13 0.00 0.00 13.92 0.00 01:20:00 2.05 0.71 1.34 0.01 94.21 73.28 58.47 01:30:01 14.72 0.01 1.45 13.25 1.65 17.98 109123.32 01:40:01 17.20 1.59 14.69 0.91 114.62 2012.54 198.35 01:50:01 12.81 1.25 10.16 1.39 109.83 1447.62 400.15 02:00:00 1.64 0.00 1.60 0.04 0.00 26.64 2.15 02:10:00 1.34 0.00 1.32 0.02 0.00 128.66 1.73 02:20:01 1.43 0.00 1.41 0.02 0.00 29.47 378.01 02:30:01 1.71 0.00 1.66 0.05 0.00 34.97 2.22 Average: 5.55 0.36 3.62 1.57 32.02 380.25 11052.03 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6295116 7546356 274804 3.38 31132 1425764 519284 5.66 445892 1188492 124 01:10:00 6295776 7547516 273628 3.36 31300 1426092 519524 5.66 446112 1188988 152 01:20:00 6238632 7519620 300956 3.70 31744 1454520 713940 7.78 461552 1207544 148 01:30:01 6253280 7535400 285144 3.51 31924 1455448 526708 5.74 459208 1208068 160 01:40:01 5457512 7400220 380500 4.68 71744 2042180 626556 6.82 590608 1817952 103080 01:50:01 5104080 7315284 452304 5.56 86988 2284124 671716 7.32 643928 2046300 436 02:00:00 5160080 7373640 393948 4.84 87168 2286320 630568 6.87 594248 2048668 348 02:10:00 5082708 7330948 436544 5.37 87336 2320732 667100 7.27 629788 2083248 516 02:20:01 5102552 7354220 413048 5.08 87496 2323952 678668 7.39 608728 2086516 164 02:30:01 5074288 7330664 436580 5.37 87628 2328456 673520 7.34 636312 2091144 168 Average: 5606402 7425387 364746 4.49 63446 1934759 622758 6.78 551638 1696692 10530 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.67 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.13 0.08 6.40 0.06 0.00 0.00 0.00 0.00 01:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.98 0.53 3.34 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.37 0.10 0.12 0.07 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 39.37 24.10 278.20 6.47 0.00 0.00 0.00 0.00 01:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 48.83 37.89 263.21 6.88 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 8.63 7.01 56.93 1.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 3.65 2.75 41.38 0.23 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 14.67 14.07 148.73 1.56 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 23.30 22.28 225.34 2.29 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.16 10.88 102.35 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3652) 08/09/26 _x86_64_ (2 CPU) 00:41:15 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.26 0.00 0.16 0.01 0.04 99.53 01:00:00 0 0.39 0.00 0.16 0.01 0.04 99.42 01:00:00 1 0.14 0.00 0.16 0.02 0.05 99.63 01:10:00 all 0.25 0.00 0.07 0.01 0.05 99.63 01:10:00 0 0.05 0.00 0.09 0.01 0.06 99.79 01:10:00 1 0.45 0.00 0.05 0.00 0.03 99.46 01:20:00 all 0.40 0.00 0.11 0.03 0.05 99.42 01:20:00 0 0.08 0.00 0.12 0.03 0.06 99.71 01:20:00 1 0.71 0.00 0.10 0.03 0.03 99.13 01:30:01 all 0.28 0.00 0.18 0.03 0.04 99.47 01:30:01 0 0.09 0.00 0.20 0.06 0.05 99.60 01:30:01 1 0.47 0.00 0.16 0.01 0.03 99.33 01:40:01 all 6.19 0.00 0.93 0.34 0.05 92.49 01:40:01 0 3.15 0.00 0.73 0.43 0.06 95.64 01:40:01 1 9.23 0.00 1.13 0.26 0.05 89.34 01:50:01 all 6.41 0.00 1.07 0.19 0.09 92.24 01:50:01 0 6.35 0.00 1.02 0.21 0.08 92.34 01:50:01 1 6.48 0.00 1.12 0.17 0.11 92.14 02:00:00 all 0.97 0.00 0.30 0.01 0.10 98.63 02:00:00 0 0.89 0.00 0.29 0.01 0.06 98.75 02:00:00 1 1.04 0.00 0.31 0.01 0.13 98.51 02:10:00 all 1.64 0.00 0.42 0.01 0.07 97.86 02:10:00 0 0.60 0.00 0.15 0.02 0.06 99.17 02:10:00 1 2.88 0.00 0.74 0.00 0.07 96.31 02:20:01 all 1.24 0.00 0.26 0.01 0.10 98.39 02:20:01 0 0.59 0.00 0.16 0.01 0.06 99.18 02:20:01 1 1.89 0.00 0.36 0.01 0.13 97.61 02:30:01 all 1.79 0.00 0.45 0.01 0.10 97.66 02:30:01 0 1.02 0.00 0.26 0.02 0.07 98.63 02:30:01 1 2.55 0.00 0.63 0.00 0.13 96.68 Average: all 1.94 0.00 0.39 0.07 0.07 97.53 Average: 0 1.32 0.00 0.32 0.08 0.06 98.22 Average: 1 2.58 0.00 0.47 0.05 0.08 96.82